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Zodiac SDK JSON(JavaScript Object Notation)

There is a newer version: 1.5.17

package org.zodiac.sdk.json.util;

public abstract class StringUtil {

    private StringUtil() {
    }

    public static boolean isNotBlank(CharSequence str) {
        return !isBlank(str);
    }

    public static boolean isBlank(CharSequence str) {
        int strLen;
        if (str == null || (strLen = str.length()) == 0) {
            return true;
        }
        for (int i = 0; i < strLen; i++) {
            if ((!Character.isWhitespace(str.charAt(i)))) {
                return false;
            }
        }
        return true;
    }

    public static boolean isEmpty(String str) {
        return str == null || str.length() == 0;
    }
}